K2-153 b

A confirmed exoplanet orbiting K2-153.

Compared with Earth

Size
About 2 times Earth's width.
Temperature
About 224 °C (435 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 7.5 Earth days.

Planet

Radius
2 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
497 K
Starlight received
Unknown
Orbital period
7.516 days
Average distance from its star
0.0614 AU

Star

Host star
K2-153
Spectral class
M — red dwarf
Surface temperature
3,845 K
Radius
0.53 × Sun
Mass
0.55 × Sun
Age
Unknown

System

Distance from Earth
466.8 light-years (143.1 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Transit
Facility
K2

Data from the NASA Exoplanet Archive, synced October 14, 2026.